How do you sum distinct values in SQL?

How do I sum only distinct values in SQL?

SQL Server SUM

  1. ALL instructs the SUM() function to return the sum of all values including duplicates. ALL is used by default.
  2. DISTINCT instructs the SUM() function to calculate the sum of the only distinct values.
  3. expression is any valid expression that returns an exact or approximate numeric value.

How do you sum distinct values?

Sum only unique values in Excel with formulas

  1. Type this formula: =SUMPRODUCT(1/COUNTIF(A2:A15,A2:A15&””),A2:A15) into a blank cell, see screenshot:
  2. Then press Enter key, and the numbers which appear only one time have been added up.
  3. Click Kutools > Select Tools > Select Duplicate & Unique Cells, see screenshot:

Can we use distinct and sum together in SQL?

4 Answers. Distinct is used to select distinct elements, nothing more, while you want to aggregate and for that you need GROUP BY and aggregation functions ( SUM ).

How do you sum based on condition in SQL?

SELECT SUM(column_name) FROM table_name WHERE condition;

  1. SQL SUM() function example – On a Specific column. …
  2. SUM() function On multiple columns. …
  3. SQL SUM() with where clause. …
  5. SQL SUM function with GROUP BY clause.
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How do you sum distinct values in SSRS?

You use groups. At the top click the insert menu, then table, then Table Wizard. Pick your dataset and hit next. Now drag the column for the different types of items you want a distinct sum of into the Row Groups section.

How do I sum a row value in SQL?

The aggregate function SUM is ideal for computing the sum of a column’s values. This function is used in a SELECT statement and takes the name of the column whose values you want to sum. If you do not specify any other columns in the SELECT statement, then the sum will be calculated for all records in the table.

How do I sum a column with the same ID in SQL?

To sum rows with same ID, use the GROUP BY HAVING clause.

What is sum function in SQL?

SQL SUM function is used to find out the sum of a field in various records.

How do you do addition in SQL?

SELECT SUM(salary) AS “Total Salary” FROM employees WHERE salary > 25000; In this SQL SUM Function example, we’ve aliased the SUM(salary) expression as “Total Salary”. As a result, “Total Salary” will display as the field name when the result set is returned.